document.write( "Question 1013006: For what values of k will the equation \"+x%5E2+-%28k-2%29x-12=0\" have roots that are equal but opposite in sign \n" ); document.write( "
Algebra.Com's Answer #629158 by ikleyn(52803)\"\" \"About 
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\n" ); document.write( "For k = 2.\r
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\n" ); document.write( "\n" ); document.write( "In this case the line x = 0 is the symmetry line for the parabola.\r
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\n" ); document.write( "\n" ); document.write( "You can deduce it from the quadratic formula too.\r
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